64796720

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3011}}^1$

素因数の和:3293

約数の個数: 40

約数和(自身を含む): 151262640

約数和(自身を除く): 86465920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3011, 4304, 5380, 6022, 10760, 12044, 15055, 21520, 24088, 30110, 48176, 60220, 120440, 240880, 809959, 1619918, 3239836, 4049795, 6479672, 8099590, 12959344, 16199180, 32398360, 64796720]

約数ペア:

[(1, 64796720), (2, 32398360), (4, 16199180), (5, 12959344), (8, 8099590), (10, 6479672), (16, 4049795), (20, 3239836), (40, 1619918), (80, 809959), (269, 240880), (538, 120440), (1076, 60220), (1345, 48176), (2152, 30110), (2690, 24088), (3011, 21520), (4304, 15055), (5380, 12044), (6022, 10760)]